2x^2-(x-2)(x+3)=(m+2n)(2m+n)-(3m-n)(m+2n)=(x-y)(5x-3y+4z)=(x-5)(x+4)=(y-1)(y+3)=先化简,再求值(3x-2)(x-3)-2(x+6)(x-5)+3(x^2-7x+13) 其中x=3/1/2.(3a+1)(2a-3)(6a-5)(a-4)
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![2x^2-(x-2)(x+3)=(m+2n)(2m+n)-(3m-n)(m+2n)=(x-y)(5x-3y+4z)=(x-5)(x+4)=(y-1)(y+3)=先化简,再求值(3x-2)(x-3)-2(x+6)(x-5)+3(x^2-7x+13) 其中x=3/1/2.(3a+1)(2a-3)(6a-5)(a-4)](/uploads/image/z/3930536-56-6.jpg?t=2x%5E2-%28x-2%29%28x%2B3%29%3D%EF%BC%88m%2B2n%EF%BC%89%EF%BC%882m%2Bn%EF%BC%89-%EF%BC%883m-n%EF%BC%89%EF%BC%88m%2B2n%EF%BC%89%3D%EF%BC%88x-y%EF%BC%89%EF%BC%885x-3y%2B4z%EF%BC%89%3D%EF%BC%88x-5%EF%BC%89%EF%BC%88x%2B4%EF%BC%89%3D%EF%BC%88y-1%EF%BC%89%EF%BC%88y%2B3%EF%BC%89%3D%E5%85%88%E5%8C%96%E7%AE%80%2C%E5%86%8D%E6%B1%82%E5%80%BC%EF%BC%883x-2%EF%BC%89%EF%BC%88x-3%EF%BC%89-2%EF%BC%88x%2B6%EF%BC%89%EF%BC%88x-5%EF%BC%89%2B3%EF%BC%88x%5E2-7x%2B13%29+%E5%85%B6%E4%B8%ADx%3D3%2F1%2F2.%EF%BC%883a%2B1%EF%BC%89%EF%BC%882a-3%EF%BC%89%EF%BC%886a-5%EF%BC%89%EF%BC%88a-4%EF%BC%89)
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2x^2-(x-2)(x+3)=(m+2n)(2m+n)-(3m-n)(m+2n)=(x-y)(5x-3y+4z)=(x-5)(x+4)=(y-1)(y+3)=先化简,再求值(3x-2)(x-3)-2(x+6)(x-5)+3(x^2-7x+13) 其中x=3/1/2.(3a+1)(2a-3)(6a-5)(a-4)
2x^2-(x-2)(x+3)=
(m+2n)(2m+n)-(3m-n)(m+2n)=
(x-y)(5x-3y+4z)=
(x-5)(x+4)=
(y-1)(y+3)=
先化简,再求值
(3x-2)(x-3)-2(x+6)(x-5)+3(x^2-7x+13) 其中x=3/1/2.
(3a+1)(2a-3)(6a-5)(a-4) 其中a=-2
2x^2-(x-2)(x+3)=(m+2n)(2m+n)-(3m-n)(m+2n)=(x-y)(5x-3y+4z)=(x-5)(x+4)=(y-1)(y+3)=先化简,再求值(3x-2)(x-3)-2(x+6)(x-5)+3(x^2-7x+13) 其中x=3/1/2.(3a+1)(2a-3)(6a-5)(a-4)
(3x-2)(x-3)-2(x+6)(x-5)+3(x^2-7x+13) 其中x=3/1/2.
(3a+1)(2a-3)(6a-5)(a-4) 其中a=-2
-3a,采纳我哦哦哦哦哦
|x-2|-|x-m|
x^(3)*x^(2m +1)*x^(m)=x^(31) 求m的值
已知集合M={x|x^2-2x-3
已知集合M={x|x^2-2x-3
x(x-2)+m(1-x)=3怎么算
设集合M={x|x²-2x-3
(3x+1)(x-1)-(x+3)(5x-6)=-2x^2-11x+m,则m=?
已知(3x+1)(x-1)-(x+3)(5x-6)=x^2-10x+m,则m=
已知(3x+1)(x-1)-(x+3)(5x-6)=x^2-10x+m,则m=
(x^2·x^m)^3/x^2m
(x^2*x^m)^3/x^2m
若(x-m)(x-2)的积不含X,m=?
已知集合M={x/3+2x-x^2>0},N={x/x
2x-3m
(2x-3)(x-n)=2x^2+5x+m求m与n
多项式x^2-4x+3=(x+m)(x+n),m=?n=?
x^2-4x+m=(x+3)(x-7),m=加上算式,急用,快
x^2-4x+m=(x+3)(x-7),m=